Read the given passage and answer the following questions.
Three different cropping patterns, viz. X, Y and Z are applied to get the maximum benefits from a crop field. In X, two or more crops are grown together in the same field in different rows or strips. In Y also, two or more crops are grown together but not in definite rows. In Z, different crops are grown on a piece of land in a pre-planned succession. These cropping patterns maintain soil fertility and crop yield.
Which of the following options is correct regarding criteria of crop selection for these cropping patterns?
A In Z, the crops used must have different maturation times.
B In Y, the crops used must require the similar amount and type of nutrition.
C In X, the crops used should have different sowing and harvesting dates.
D In Z, the crops should not be of different growth habits, i.e., should be either both tall or both dwarf.